Conditions with the potential to cause fatigue and/or recurrent infection identified in athletes
| Condition identified | No of athletes |
|---|---|
| Values in parentheses are percentage of athletes studied. | |
| EBV, Epstein-Barr virus. | |
| Partial humoral immune deficiency | 11/40 (28) |
| Hypoglycaemia | 10/36 (28) |
| Primary or unresolved infections | 11/41 (27) |
| EBV reactivation | 8/37 (22) |
| Allergic disease | 6/41 (15) |
| Sleep disorder | 6/40 (15) |
| Poorly controlled or undiagnosed asthma | 3/40 (8) |
| Newly diagnosed exercise induced asthma | 3/40 (8) |
| Upper airway dysfunction | 2/40 (5) |
| Thyroid disorder | 1/40 (3) |
| Low serum ferritin | 1/40 (3) |